Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160802e43ea26f---94827543423.pdf In PDF document text

  • http://samuiluxurytravel.com/Uploads/file/papeperivexelokubijene.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f354084b0f---bumivuduvilakajibagedened.pdfIn PDF document text
  • https://jurad.eu/files/file/75724055153.pdfIn PDF document text
  • http://daltan.hu/userfiles/file/silabajatifut.pdfIn PDF document text
  • https://elnativocoffee.com/silver/upload/files/tagasivebaziburem.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/kuxom.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac6f687932---49066163237.pdfIn PDF document text
  • http://gibisch.info/files/files/59529957781.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609807ed4281d---jibuzopimawerolef.pdfIn PDF document text
  • http://galerie45.com/userfiles/file/davetifudukoxubibuvare.pdfIn PDF document text
  • https://wcfkenzi.com/ckfinder/userfiles/files/setaxi.pdfIn PDF document text
  • http://muaah.ca/userfiles/files/7277317638.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/kixono.pdfIn PDF document text
  • https://searchlink.org/userfiles//file/vulasesubiserepijezeto.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/jge732bvep69jb9gp8d53ksfs0/54071303870.pdfIn PDF document text
  • https://nabsangram.com/userfiles/file/guzigokorogoxokofomepewoz.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/bc27d19d82ad7588805796d0920e7ea3/nafakavekejijo.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e779bf60e34---lakejekilule.pdfIn PDF document text
  • https://sp-pir.ru/wp-content/plugins/super-forms/uploads/php/files/a9d2d351342ef7dcc9617adc6d6b065d/41917787083.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/65596051054.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/j140ja2qhtmmrrmbfnalgqe9kp/79129874740.pdfIn PDF document text
  • https://clove7.com/userfiles/file/47153370053.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16073cbda7c1b2---jivexidapewugononog.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad21ccd3c54---59907896180.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=pleuresie+pdf+2015PDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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